25530314164265 has 16 divisors (see below), whose sum is σ = 30942095214096. Its totient is φ = 20220470400000.

The previous prime is 25530314164259. The next prime is 25530314164279. The reversal of 25530314164265 is 56246141303552.

It can be written as a sum of positive squares in 8 ways, for example, as 543872325529 + 24986441838736 = 737477^2 + 4998644^2 .

It is not a de Polignac number, because 25530314164265 - 2³⁸ = 25255436257321 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4621229 + ... + 8509781.

It is an arithmetic number, because the mean of its divisors is an integer number (1933880950881).

Almost surely, 2^{25530314164265} is an apocalyptic number.

It is an amenable number.

25530314164265 is a deficient number, since it is larger than the sum of its proper divisors (5411781049831).

25530314164265 is a wasteful number, since it uses less digits than its factorization.

25530314164265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3901660.

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 25530314164265 in words is "twenty-five trillion, five hundred thirty billion, three hundred fourteen million, one hundred sixty-four thousand, two hundred sixty-five".